{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=telephone+counseling&page=41",
    "query": {
      "intervention": "telephone counseling",
      "page": 41
    },
    "page_size": 10
  },
  "pagination": {
    "page": 41,
    "page_size": 10,
    "total_count": 1032,
    "total_pages": 104,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=telephone+counseling&page=42&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=telephone+counseling&page=40&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T04:20:50.100Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT04605744",
      "title": "Peri-procedural Smoking Cessation Program in Patients With Chronic Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Smoking cessation counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Cooper Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2020-02-18",
      "completion_date": "2021-12-06",
      "has_results": false,
      "last_update_posted_date": "2022-01-26",
      "last_synced_at": "2026-10-17T04:20:50.100Z",
      "location_count": 1,
      "location_summary": "Camden, New Jersey",
      "locations": [
        {
          "city": "Camden",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04605744"
    },
    {
      "nct_id": "NCT05477784",
      "title": "Cancer Parenting Program for the Enhancement of the Quality of Life of Patients With Advanced Cancer and Their Children",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Parent-Child Relations",
        "Cancer",
        "Survivorship",
        "Hematopoietic and Lymphoid System Neoplasm",
        "Malignant Solid Neoplasm",
        "Parent-Child Relation",
        "Parenting"
      ],
      "interventions": [
        {
          "name": "Group 1: Educational counseling intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Group II Active Comparator",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "23 Years",
        "maximum_age": "68 Years",
        "sex": "ALL",
        "summary": "23 Years to 68 Years"
      },
      "enrollment_count": 174,
      "start_date": "2022-07-19",
      "completion_date": "2025-08-15",
      "has_results": true,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-10-17T04:20:50.100Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Seattle, Washington",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05477784"
    },
    {
      "nct_id": "NCT05679349",
      "title": "Support and Outreach to Increase Screening for Lung Cancer in Patients With a History of Smoking",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Carcinoma",
        "Tobacco-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Educational Activity",
          "type": "OTHER"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Counseling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Ronald Myers",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "77 Years",
        "sex": "ALL",
        "summary": "50 Years to 77 Years"
      },
      "enrollment_count": 822,
      "start_date": "2024-04-01",
      "completion_date": "2027-02-26",
      "has_results": false,
      "last_update_posted_date": "2026-05-29",
      "last_synced_at": "2026-10-17T04:20:50.100Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05679349"
    },
    {
      "nct_id": "NCT05099952",
      "title": "Sleep and Circadian Rhythm Study in Head and Neck Cancer Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Counseling",
          "type": "OTHER"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Electronic Health Record Review",
          "type": "OTHER"
        },
        {
          "name": "Medical Device Usage and Evaluation",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Roswell Park Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-12-15",
      "completion_date": "2026-12-15",
      "has_results": false,
      "last_update_posted_date": "2022-01-12",
      "last_synced_at": "2026-10-17T04:20:50.100Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05099952"
    },
    {
      "nct_id": "NCT01141738",
      "title": "Problem-solving: A Stroke Caregiver Early Intervention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Psychological Adaptation"
      ],
      "interventions": [
        {
          "name": "Caregiver Problem-Solving Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Wait List Control",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 362,
      "start_date": "2005-04",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2023-05-22",
      "last_synced_at": "2026-10-17T04:20:50.100Z",
      "location_count": 4,
      "location_summary": "Chicago, Illinois • Elk Grove Village, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Elk Grove Village",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01141738"
    },
    {
      "nct_id": "NCT04940221",
      "title": "Testing Informed Decision Making in Lung Cancer Screening",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Shared Decision Making",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Christiana Care Health Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "78 Years",
        "sex": "ALL",
        "summary": "55 Years to 78 Years"
      },
      "enrollment_count": 80,
      "start_date": "2018-07-18",
      "completion_date": "2020-10-30",
      "has_results": true,
      "last_update_posted_date": "2023-09-18",
      "last_synced_at": "2026-10-17T04:20:50.100Z",
      "location_count": 1,
      "location_summary": "Newark, Delaware",
      "locations": [
        {
          "city": "Newark",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04940221"
    },
    {
      "nct_id": "NCT03670316",
      "title": "Effectiveness of a Smoking Cessation Algorithm Integrated Into HIV Primary Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "HIV",
        "AIDS",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Algorithm Treatment",
          "type": "DRUG"
        },
        {
          "name": "Quitline only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 371,
      "start_date": "2020-08-17",
      "completion_date": "2025-06-30",
      "has_results": true,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-17T04:20:50.100Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03670316"
    },
    {
      "nct_id": "NCT03972293",
      "title": "2018 Intern Health Study Micro-randomized Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Mood",
        "Sleep",
        "Physical Activity"
      ],
      "interventions": [
        {
          "name": "Intern Health Study behavioral change mobile notification",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Intern Health Study mobile app",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2134,
      "start_date": "2018-04-01",
      "completion_date": "2019-07-01",
      "has_results": false,
      "last_update_posted_date": "2019-08-13",
      "last_synced_at": "2026-10-17T04:20:50.100Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03972293"
    },
    {
      "nct_id": "NCT04827914",
      "title": "Evaluation of an \"Opt-Out\" Inpatient Smoking Cessation Service on Smoking Behavior Study #1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Enhanced Care",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Basic Care",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1122,
      "start_date": "2021-03-08",
      "completion_date": "2023-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-10-17T04:20:50.100Z",
      "location_count": 6,
      "location_summary": "Charleston, South Carolina • Chester, South Carolina • Florence, South Carolina + 2 more",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Chester",
          "state": "South Carolina"
        },
        {
          "city": "Florence",
          "state": "South Carolina"
        },
        {
          "city": "Lancaster",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04827914"
    },
    {
      "nct_id": "NCT00602758",
      "title": "Effectiveness of Enhanced Counseling and Observed Therapy on Antiretroviral Adherence in People With HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "HIV Infections",
        "Acquired Immunodeficiency Syndrome"
      ],
      "interventions": [
        {
          "name": "Motivational interviewing with cognitive behavioral therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Modified directly observed therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Missouri, Kansas City",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 252,
      "start_date": "2004-12",
      "completion_date": "2009-08",
      "has_results": false,
      "last_update_posted_date": "2016-05-20",
      "last_synced_at": "2026-10-17T04:20:50.100Z",
      "location_count": 4,
      "location_summary": "Kansas City, Kansas • Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00602758"
    }
  ]
}